. >>> other bay area headlines now a firefighter was hurt battling this blaze in el sobrante. four people got out of the house safely just after midnight before firefighters got there. the injured firefighter was treated at the hospital and released. >>> an electrical fire caused power problems today at san francisco city hall. the basement fire set off the sprinkler system last night. apparently it didn't affect public services today. however, some employees did have to work off site. no word on when things will be back to normal. >>> mother nature's sprinkler system is going to come on big time. >> it is. it's going to be like how do we turn it off? it will be like that's my call. it will be on for a while. what a gorgeous day today. some of you in the 70s, sunshine, beautiful day outside, a little breezy but changes coming in as soon as tomorrow. first the clouds, then the rain. right now just the beauty. bay bridge from our rooftop, there it is mainly clear skies outside, gorgeous evening to get outside. and we'll drop down to the mid- to upper 40s on average again tonight